Postorder
[計] 后根次序
??? 情景例句
Excuse me, I can't seem to find my seat. Can you help me?
不好意思，我好像找不到我的座位了。您能幫幫我嗎？
The leopard cannot change its spots.
江山易改，本性難移。
You'll be all right soon.
你很快就會好的。